248879360

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1531}}^1$

素因数の和:1679

約数の個数: 72

約数和(自身を含む): 601230336

約数和(自身を除く): 352350976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 1531, 2032, 2540, 3062, 4064, 5080, 6124, 7655, 8128, 10160, 12248, 15310, 16256, 20320, 24496, 30620, 32512, 40640, 48992, 61240, 81280, 97984, 122480, 162560, 194437, 195968, 244960, 388874, 391936, 489920, 777748, 972185, 979840, 1555496, 1944370, 1959680, 3110992, 3888740, 6221984, 7777480, 12443968, 15554960, 24887936, 31109920, 49775872, 62219840, 124439680, 248879360]

約数ペア:

[(1, 248879360), (2, 124439680), (4, 62219840), (5, 49775872), (8, 31109920), (10, 24887936), (16, 15554960), (20, 12443968), (32, 7777480), (40, 6221984), (64, 3888740), (80, 3110992), (127, 1959680), (128, 1944370), (160, 1555496), (254, 979840), (256, 972185), (320, 777748), (508, 489920), (635, 391936), (640, 388874), (1016, 244960), (1270, 195968), (1280, 194437), (1531, 162560), (2032, 122480), (2540, 97984), (3062, 81280), (4064, 61240), (5080, 48992), (6124, 40640), (7655, 32512), (8128, 30620), (10160, 24496), (12248, 20320), (15310, 16256)]